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Transcript of Food, anti-social behavior and cognition Studies Marie-Laure Prevost – Erasmushogeschool Brussel...
![Page 1: Food, anti-social behavior and cognition Studies Marie-Laure Prevost – Erasmushogeschool Brussel ml.prevost@skynet.be.](https://reader035.fdocuments.net/reader035/viewer/2022062320/56649d045503460f949d7f89/html5/thumbnails/1.jpg)
Food, anti-social behavior and cognition
Studies
Marie-Laure Prevost – Erasmushogeschool [email protected]
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Hyperactive, impulsive child -> adult offender?
• Problems of hyperactivity, impulsivity, attention or conduct in childhood are risk factors for becoming a chronic offender as an adult (Lynam, 1996).
• Prospective study followed up adolescents for up to 23 years (Satterfield and Schell, 1997)– Those displaying hyperactive symptoms and conduct
disorder in childhood were significantly more likely to:• have been arrested as both juveniles (46% vs. 11%) and
adults (21% vs. 1%) • and were more likely to have been incarcerated
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Food and behavior
Studies:• Vitamine, mineral and essential fatty acid deficiency• Essential fatty acid defiency• High Sugar intake, High Glycaemic Index, High
Glycaemic Load• Foodintolerance
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Vitamins, minerals and essential fatty acids DEFIENCY
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Vitamins, minerals and essential fatty acids DEFIENCY
• Study anti-social behavior in imprisoned juveniles (Schoentaler et al., 1997)– Diagnosis ‘aggressive’: DMS-III criteria– Vitamine, mineral and essential fatty acid
supplementation– Results supplements: over 3 months the incidence
of violence was 28% less in those who received the supplements than the placebo group.• 131 violent acts before taking the supplements, 11
violent acts after taking the supplements.
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Vitamins, minerals and essential fatty acids DEFIENCY
• Study Gesch et al. (2002): – Results supplements: Reduction of 37% in serious
offences amongst the young offenders who received dietary supplements (fewer disciplinary accidents).
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Vitamins, minerals and essential fatty acids DEFIENCY
• Schoolchildren study (Schoenthaler and Bier, 2000)– Schoolchildren who had been disciplined at least
once in the 8-month period prior to the study– 4 month intervention– Results supplements: those with active tablets
were disciplined on average once, significantly less than the average of 1.9 times of those taking the placebo.
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Vitamins, minerals and essential fatty acids DEFIENCY
• Case studies (Kaplan et al., 2004)– 11 children with mood and behavioral problems
showed a positive response to supplementation.
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Essential fatty acids DEFIENCY
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Essential fatty acids DEFIENCY
• The brain is a very fatty organ with 60% of lipids on dry material (25% DHA/omega 3)
• Make the cell membranes of neurons fluid => communication with other cells is good.
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Essential fatty acids DEFIENCY
• Study Stevens et al. (1996):– A greater number of behavioral problems and
temper tantrums were reported in boys with lower blood levels of omega-3 fatty acids.
• Study Burgess et al. (2004, 2005):– With children with ADHD, those with lower levels
of omega-3 had more problems with behavior, temper, learning, health and sleep.
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Essential fatty acids DEFIENCY
• Study (Richardson and Puri, 2002, Richardson and Montgomery, 2005):– PUFA supplementation for children with ADHD:
give a positive response for dyslexia, reading, developmental coordination disorder.
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High Sugar intakeHigh Glycaemic Index (GI) High Glycaemic Load (GL)
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High sugar intake
• Study Bahr et al. (1984):– After overnight fast, boys receive a lemon-flavored
drink (13 teaspoons of sugar or artificial sweetener).
– Results: no effect on cognitive behavior, but the boys were less active 3h after consuming sucrose
• Study Benton (2002):– Poorer mood resulted several hours after eating
meals high in carbohydrate
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Blood glucose and aggression
• Study Qolla Indians in Peru, “perhaps the meanest and unlikeable people on earth” (Bolton, 1973)– Many acts of violence seemed irrational +
displayed a strong craving for sugar + insatiable hunger.
– In those ranked as the most aggressive by the members of the community, there was a tendency for glucose to fall to low values.
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Blood glucose and aggression
• Study Donahoe and Benton (1999):– Results: with young healthy adult females low
blood glucose levels is correlated with measures of aggressiveness.
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Emotional rollercoaster
The Food and Mood handbook
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Balanced blood sugar
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High GI
• Glycaemic index: a measure of the rate at which it increases and maintains blood glucose levels. – Shortly after intake of a high GI food there is a
relatively rapid rise in blood glucose levels followed by a rapid decrease.
– Whereas after the intake of a low GI food there is a smaller rise in blood glucose followed by a more stable blood glucose concentration.
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High GI
• A low GI meal provides a more constant level of blood glucose compared with the fluctuating glycaemic response to high GI breakfast
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Breakfast and GI
• Eating breakfast influences both behavior and cognition in school (Pollitt and Mathews, 1998).
• Choose the right breakfast• Breakfast with a low glycaemic load is associated
with (Benton et al. (2007)):– Better memory– Sustained attention– Spent more time on task in the classroom– Fewer signs of frustration when performing difficult
tasks.
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Breakfast and GI
• Study Mahoney et al. (2005):– Results: children had better spatial memory and
better auditory attention and girls exhibited better short-term memory, after consuming oatmeal.
– Oatmeal would provide slower and more sustained energy than the low-fiber high GL ready-to-eat breakfast cereal.
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Breakfast and GI
• Study Jeanet Ingwersen (2007):– 64 children, age 6-11, England, 36 boys, 38 girls– High GI breakfast: 35 g Coco Pops + 125 ml skimmed
milk, Low GI breakfast: 25 g All Bran + 125 ml skimmed milk
– Testing: baseline (9.00), breakfast (9.30), test (9.40, 10.40, 11.40)
– Results: less decline of performance:• Ability to sustain attention and secondary memory (ability to
store, hold and retrieve information)• A smaller decline in cognitive performance in late morning
following consumption of the low GI breakfast than a high GI breakfast.
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Other meals and GI
• The addition of fiber to slow the release of glucose has been reported to benefit memory (Nabb and Benton, 2006b).
• Post-lunch dip occurs even if no lunch has been eaten but can be exacerbated by a high-carbohydrate lunch (Monk, 2005).
• Second meal effect:– An evening meal with a low GL will improve glucose profile
that results form eating breakfast (Wolever et al., 1988)– A low GL breakfast will improve glucose tolerance after
lunch (Liljeberg et al., 1999)
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Foodintolerances and anti-social behavior
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Foodintolerances and anti-social behavior
• Food intolerance sources:– Malabsorption due to intestinal enzyme
deficiencies.– Adverse reactions to naturally occurring chemicals
in food such as histamine and tyramine.– Toxins and poisons (natural or additives)– Psychological: food aversion
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Food intolerance
• Food intolerance and ADHD meta-analysis– Elimination diets:
• Results: 60% of the children respond positively• Most common not tolerated foods:
– Tartrazine: artifical colourant, yellow, E102» flan, pasteibakkersroom, vanille pudding, pickels, mosterd,
snoep, japanse aperitief koekjes, oranje frisdrank, kant-en klare couscous –en paella
– Sodium benzoate: preservative, E211, » salad dressings, carbonic acid-carbonated drinks, citric acid-
jam, fruitjuice): not tolerated by 79% of the children– Others: cows milk (64%), chocolate (59%), grapes (49%), wheat
(49%), oranges (45%), cows cheese (40%), egg (39%)
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Foodintolerances and anti-social behavior
Study D. Benton (2007):1. Evidence that some children with ADHD and related
diagnoses respond adversely to food.2. There are dozens of foods to which a reaction has
been demonstrated; among the more common are wheat, dairy products and chocolate.
3. The pattern of foods to which a response occurs varies from individual to individual.
4. Reactions are not observed in all members of groups chosen because they share a common behavioral designation such as ADHD.
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Jamie’s School Dinners (DVD):• Episode 2: Liam and behavior– chap 2 (00:00-02:05), chap 5 (03:20-05:00)
• Episode 4: teachers and behavior– chap 4 (03:56-04:30)
Youtube:– ‘Fed up with children’s behavior’ (school Wales)– ‘Children walking test tubes – nasty food additives’
(school Wales)– ‘Impact of Healthy Food 1 and 2’ (Appleton school,
US)